3887730 PLATE AS Caterpillar parts
CW-34
Rating:
Alternative (cross code) number:
CA3887730
388-7730
3887730
CA3887730
388-7730
3887730
Weight: 23 pounds 10 kg.
PNEUMATIC COMPACTOR,
Compatible equipment models: 3887730:
Number on catalog scheme:
8
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Information:
Construction
Illustration 1 g03815340
Main pump
(1) Port (signal for load sense)
(2) Port (drain)
(3) Port (drain)
(4) Main pump
(5) Outlet port (main pump)
(6) Inlet port (main pump)
(7) Port (drain)
(8) Swashplate Main Pump Operation (No Load)
Illustration 2 g03732810
Main pump cutaway
(8) Swashplate
(9) Shaft
(10) Housing
(11) Piston
(12) Barrel
(13) Slipper plate
(14) Piston shoe
(15) Valve plate The main pump (4) is a piston pump. Barrel (12) is incorporated in housing (10) of the main pump. Pistons (11) are contained in barrel (12). Each piston (11) forces the oil delivery from the pump through pump outlet port (5).Shaft (9) of the main pump is coupled with the engine flywheel by a flexible coupling. Shaft (9) is also splined with barrel (12). The head of each piston (11) pivots on piston shoe (14). Piston shoes (14) are secured to slipper plate (13) by the retainer.When shaft (9) is driven by the engine flywheel, barrel (12) turns on valve plate (15). This action allows pistons (11) to rotate on swashplate (8). Slipper plate (13) is held to swashplate (8).Oil from the hydraulic tank goes into the main pump through inlet port (6). The oil goes through the inlet passage of valve plate (15). The oil then enters the bores of barrel (12). As barrel (12) rotates, pistons (11) move in or out of the bores of barrel (12). Oil is sucked behind piston (11) into the bore of barrel (12) as piston (11) moves out of the bore. Oil is pushed ahead of piston (11) as the piston moves into the bore of barrel (12). The oil that is pushed ahead of each piston alternately goes through passages of valve plate (15). Piston (11) forces oil flow through outlet port (5) as main pump oil flow. The oil flow through port (5) goes to the main control valve.The length of stroke for each piston (11) changes depending on the angle of swashplate (8). This change of displacement regulates the output flow of the pump.
Illustration 1 g03815340
Main pump
(1) Port (signal for load sense)
(2) Port (drain)
(3) Port (drain)
(4) Main pump
(5) Outlet port (main pump)
(6) Inlet port (main pump)
(7) Port (drain)
(8) Swashplate Main Pump Operation (No Load)
Illustration 2 g03732810
Main pump cutaway
(8) Swashplate
(9) Shaft
(10) Housing
(11) Piston
(12) Barrel
(13) Slipper plate
(14) Piston shoe
(15) Valve plate The main pump (4) is a piston pump. Barrel (12) is incorporated in housing (10) of the main pump. Pistons (11) are contained in barrel (12). Each piston (11) forces the oil delivery from the pump through pump outlet port (5).Shaft (9) of the main pump is coupled with the engine flywheel by a flexible coupling. Shaft (9) is also splined with barrel (12). The head of each piston (11) pivots on piston shoe (14). Piston shoes (14) are secured to slipper plate (13) by the retainer.When shaft (9) is driven by the engine flywheel, barrel (12) turns on valve plate (15). This action allows pistons (11) to rotate on swashplate (8). Slipper plate (13) is held to swashplate (8).Oil from the hydraulic tank goes into the main pump through inlet port (6). The oil goes through the inlet passage of valve plate (15). The oil then enters the bores of barrel (12). As barrel (12) rotates, pistons (11) move in or out of the bores of barrel (12). Oil is sucked behind piston (11) into the bore of barrel (12) as piston (11) moves out of the bore. Oil is pushed ahead of piston (11) as the piston moves into the bore of barrel (12). The oil that is pushed ahead of each piston alternately goes through passages of valve plate (15). Piston (11) forces oil flow through outlet port (5) as main pump oil flow. The oil flow through port (5) goes to the main control valve.The length of stroke for each piston (11) changes depending on the angle of swashplate (8). This change of displacement regulates the output flow of the pump.
Caterpillar parts catalog:
Parts plate Caterpillar catalog:
1856627
PLATE
3054B, 3054C, 3054E, 312D2, 312D2 GC, 312D2 L, 313D2, 313D2 LGP, 315C, 318D2 L, 414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 434E, ...
3054B, 3054C, 3054E, 312D2, 312D2 GC, 312D2 L, 313D2, 313D2 LGP, 315C, 318D2 L, 414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 434E, ...
414E, 416E, 416F, 420E, 420F, 422E, 422F, 428E, 428F, 430E, 430F, 432E, 432F, 434E, 434F, 442E, 444E, 444F, 450E, 450F, 621H, 773F, 775F, 777F, 854K, 938H, 992K, 993K, CB-54B, CW-34
2788750
PLATE
236D, 242D, 246C, 246D, 256C, 257D, 259D, 262C, 262C2, 262D, 272C, 272D, 272D XHP, 277C, 277C2, 277D, 279C, 279C2, 279D, 287C, 287C2, 287D, 289C, 289C2, 289D, 297C, 299C, 299D, 299D XHP, AP-1055D, AP-...
236D, 242D, 246C, 246D, 256C, 257D, 259D, 262C, 262C2, 262D, 272C, 272D, 272D XHP, 277C, 277C2, 277D, 279C, 279C2, 279D, 287C, 287C2, 287D, 289C, 289C2, 289D, 297C, 299C, 299D, 299D XHP, AP-1055D, AP-...
2799651
PLATE-LIFTING
120M, 12M, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 323D L, 323D2 L, 420E, 430E, 450E, 525D, 535D, 545D, 613G, 914G, 924H, 924HZ, 924K, 928H, 928HZ, 930K, 938H, 938K, 950 GC, 953D, 963D, AP-600D, AP...
120M, 12M, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 323D L, 323D2 L, 420E, 430E, 450E, 525D, 535D, 545D, 613G, 914G, 924H, 924HZ, 924K, 928H, 928HZ, 930K, 938H, 938K, 950 GC, 953D, 963D, AP-600D, AP...
904B, 904H, 910G, 914G, 924G, 924GZ, 924H, 924HZ, 924K, 928G, 928H, 928HZ, 930G, 930K, 938G, 938G II, 938H, 938K, CP-433E, CP-44, CP-533E, CP-54B, CP-56, CP-573E, CP-64, CP-663E, CP-68B, CP-74B, CP-76...
1288617
PLATE AS
901C, 902C, 903C, 910G, 914G, 928G, 938G, 950 GC, 950G, 950G II, 950H, 962G II, 962H, 966G, 966G II, 966H, 972G II, 972H, 980G II, 980H, 986H, AP-600D, AP-655D, AP1000E, AP1055E, AP555E, BG1000E, BG10...
901C, 902C, 903C, 910G, 914G, 928G, 938G, 950 GC, 950G, 950G II, 950H, 962G II, 962H, 966G, 966G II, 966H, 972G II, 972H, 980G II, 980H, 986H, AP-600D, AP-655D, AP1000E, AP1055E, AP555E, BG1000E, BG10...
CP-54B, CP-68B, CP-74B, CS-54B, CS-56B, CS-64B, CS-66B, CS-68B, CS-74B, CS-76B, CS-78B, CW-34
3640868
PLATE
CB-44B, CB-54B, CD-54B, CP-54B, CP-68B, CP-74B, CS-54B, CS-56B, CS-64B, CS-66B, CS-68B, CS-74B, CS-76B, CS-78B, CW-34
CB-44B, CB-54B, CD-54B, CP-54B, CP-68B, CP-74B, CS-54B, CS-56B, CS-64B, CS-66B, CS-68B, CS-74B, CS-76B, CS-78B, CW-34
3636507
PLATE
CW-34
CW-34
3636508
PLATE
CW-34
CW-34
3888626
PLATE AS
CW-34
CW-34
4188126
PLATE AS
CW-34
CW-34
3646284
PLATE AS
CW-34
CW-34
3646281
PLATE AS
CW-34
CW-34
3646280
PLATE AS
CW-34
CW-34
3646279
PLATE AS
CW-34
CW-34
4255663
PLATE
CW-34
CW-34
4176738
PLATE
CW-34
CW-34
3888881
PLATE AS
CW-34
CW-34
3888859
PLATE AS
CW-34
CW-34
3888848
PLATE AS
CW-34
CW-34
3888807
PLATE AS
CW-34
CW-34
3888629
PLATE AS
CW-34
CW-34
3888626
PLATE AS
CW-34
CW-34